EP0329559A1 - Verfahren zur Gewinnung der Protease von Endothia parasitica - Google Patents
Verfahren zur Gewinnung der Protease von Endothia parasitica Download PDFInfo
- Publication number
- EP0329559A1 EP0329559A1 EP89400441A EP89400441A EP0329559A1 EP 0329559 A1 EP0329559 A1 EP 0329559A1 EP 89400441 A EP89400441 A EP 89400441A EP 89400441 A EP89400441 A EP 89400441A EP 0329559 A1 EP0329559 A1 EP 0329559A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- fermentation
- enzyme
- viscosity
- beta
- concentration
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12N—MICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
- C12N1/00—Microorganisms, e.g. protozoa; Compositions thereof; Processes of propagating, maintaining or preserving microorganisms or compositions thereof; Processes of preparing or isolating a composition containing a microorganism; Culture media therefor
- C12N1/38—Chemical stimulation of growth or activity by addition of chemical compounds which are not essential growth factors; Stimulation of growth by removal of a chemical compound
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12N—MICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
- C12N1/00—Microorganisms, e.g. protozoa; Compositions thereof; Processes of propagating, maintaining or preserving microorganisms or compositions thereof; Processes of preparing or isolating a composition containing a microorganism; Culture media therefor
- C12N1/005—Microorganisms, e.g. protozoa; Compositions thereof; Processes of propagating, maintaining or preserving microorganisms or compositions thereof; Processes of preparing or isolating a composition containing a microorganism; Culture media therefor after treatment of microbial biomass not covered by C12N1/02 - C12N1/08
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12N—MICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
- C12N9/00—Enzymes; Proenzymes; Compositions thereof; Processes for preparing, activating, inhibiting, separating or purifying enzymes
- C12N9/14—Hydrolases (3)
- C12N9/48—Hydrolases (3) acting on peptide bonds (3.4)
- C12N9/50—Proteinases, e.g. Endopeptidases (3.4.21-3.4.25)
- C12N9/58—Proteinases, e.g. Endopeptidases (3.4.21-3.4.25) derived from fungi
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S435/00—Chemistry: molecular biology and microbiology
- Y10S435/8215—Microorganisms
- Y10S435/911—Microorganisms using fungi
Definitions
- the present invention relates to a process for obtaining the protease, coagulating milk, secreted by Endothia parasitica .
- the method according to the invention consists in introducing into the fermentation medium an enzyme acting on the annexed polysaccharide produced by the microorganism.
- the enzyme can be introduced at the start of fermentation, during fermentation or only during the final treatment of the fermentation medium, before filtration of the biomass or during the concentration of the filtrate by ultrafiltration or microfiltration.
- the enzyme acts on the polysaccharide and reduces the viscosity of this medium, whether during fermentation or after it has stopped.
- glucanases such as beta-1,3 glucanase from basidiomycetes described in US 3,423,288, beta-1,3 beta-1,6 glucanases , such as that marketed by NOVO under the brand Glucanex or that marketed by Gist-Brocades under the name Rapidase GL 150 or also fungal alpha-amylases, such as Fungamyl marketed by NOVO, or amylase P 200 marketed by Gist-Brocades.
- beta-1,3 glucanase from basidiomycetes described in US 3,423,288, beta-1,3 beta-1,6 glucanases , such as that marketed by NOVO under the brand Glucanex or that marketed by Gist-Brocades under the name Rapidase GL 150 or also fungal alpha-amylases, such as Fungamyl marketed by NOVO, or amylase P 200 marketed by Gist-Brocades.
- the enzyme will not be introduced into the fermentation medium until after a culture time of more than 50% of the total time for fermentation without enzyme, preferably 75%; under these conditions, the viscosity of the medium remains limited and the production of protease is not reduced or can even be improved; indeed, the viscosity of the must at the end of the operation is clearly lower than that of fermentation without enzyme, from 2 to 4 times, without reduction of the biomass.
- the filtrate obtained in this case after separation of the cells, is less viscous and can be concentrated by ultrafiltration in a conventional device up to a concentration greater than 30 g / l of protease and even up to 40 g / l, while 'after a classic fermentation we only reach about 10 g / l; finally, the final filtration on a low porosity membrane is facilitated.
- the method according to the invention consists in treating the fermentation musts before their filtration, for 1 to 5 hours, with 50 mg / l to 1 g / l of an enzymatic preparation active on the polysaccharide; the viscosity of the must is reduced from 2 to 5 times as well as the filtration time necessary for the separation of the biomass from the medium containing the desired product.
- the method according to the invention consists in treating the filtrate obtained after separation of the cells, with an enzyme hydrolyzing the annexed polysaccharide during the concentration of this filtrate by ultrafiltration, which makes it possible to obtain a solution having a high concentration of desired product, when it cannot be isolated directly by precipitation or evaporation of the solvent without denaturation; in this case, it is then preferable to use an alpha-amylase.
- the inocula are prepared from frozen spores of Endothia parasitica , of the strain ATCC 14729, by culture at 28 ° C. in a sterile aqueous medium containing glucose, soy flour, mineral salts and autolytic extracts of yeasts. .
- the production is carried out at 28 ° C in a sterile aqueous medium of the same type as the previous one.
- the viscosities are measured with a Brookfield viscometer; the coagulating activities were determined by the method recommended by the International Dairy Federation and published in the Official Journal of the French Republic of March 20, 1981.
- Amylase P 200 contains a fungal alpha-amylase from Aspergillus oryzae and is in the form of a powder, with the title FAU: 4540 / g, an FAU corresponding to the quantity of hydrolyzing enzyme 5.26 g of starch soluble in 1 hour, at 37 ° C and pH 4.7.
- Glucanex is a powder containing an enzyme secreted by a strain of Trichoderma ; it has 300 beta-glucanase units / gram.
- the musts of tests 13 and 14 were treated after 90 hours of fermentation: filtration on canvas to separate the mycelium, then concentration of the filtrate by ultrafiltration with a membrane permeable to compounds with a molecular mass of less than approximately 10,000.
- Test 13 was carried out in a conventional manner without addition of enzyme; in test 14, 40 mg of Glucanex were added per liter of must after 72 hours of fermentation. TABLE II Test No. Viscosity Must (mPa.s) Wort weight Filtration time Mycelium weight Viscosity of the filtrate Coagulating activity of the concentrate Concentrate viscosity 13 1600 158 kg 24 mins 31 kg 5 10 g / l 120 mPa.s 14 900 142 kg 19 mins 30.5 kg 4 38 g / l 120 mPa.s
- the musts were treated after 88 hours of culture; they contained approximately 7.5 g / kg of polysaccharide and had a viscosity of 1000 mPa.s. 200 mg / l of different powdered enzyme preparations or 10 ml / l of liquid enzyme preparations were added.
- Fungamyl is a liquid preparation of fungal alpha-amylase of 800 FAU / g; Maxamyl and BAIF, marketed by Gist-Brocades, are bacterial amylases.
- Table IV indicates the drop in viscosity over time of a preconcentrated filtrate, into which various enzymes have been introduced, in variable amounts.
- the entire process was carried out in a conventional manner: fermentation, separation of the ferment by filtration and concentration of the filtrate by ultrafiltration.
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Genetics & Genomics (AREA)
- Organic Chemistry (AREA)
- Zoology (AREA)
- Wood Science & Technology (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Biotechnology (AREA)
- General Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Microbiology (AREA)
- General Engineering & Computer Science (AREA)
- Medicinal Chemistry (AREA)
- Biochemistry (AREA)
- Tropical Medicine & Parasitology (AREA)
- Virology (AREA)
- General Chemical & Material Sciences (AREA)
- Sustainable Development (AREA)
- Mycology (AREA)
- Molecular Biology (AREA)
- Preparation Of Compounds By Using Micro-Organisms (AREA)
- Enzymes And Modification Thereof (AREA)
- Medicines That Contain Protein Lipid Enzymes And Other Medicines (AREA)
- Chemical Or Physical Treatment Of Fibers (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Immobilizing And Processing Of Enzymes And Microorganisms (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8801934 | 1988-02-18 | ||
FR8801934A FR2627507B1 (fr) | 1988-02-18 | 1988-02-18 | Procede de diminution de la viscosite des milieux en cas d'excretion de polymeres viscosifiants annexes dans les procedes de fermentation |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0329559A1 true EP0329559A1 (de) | 1989-08-23 |
EP0329559B1 EP0329559B1 (de) | 1994-06-01 |
Family
ID=9363376
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP89400441A Expired - Lifetime EP0329559B1 (de) | 1988-02-18 | 1989-02-17 | Verfahren zur Gewinnung der Protease von Endothia parasitica |
Country Status (8)
Country | Link |
---|---|
US (1) | US5187081A (de) |
EP (1) | EP0329559B1 (de) |
JP (1) | JP2848620B2 (de) |
AT (1) | ATE106447T1 (de) |
CA (1) | CA1336175C (de) |
DE (1) | DE68915568T2 (de) |
DK (1) | DK76189A (de) |
FR (1) | FR2627507B1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1995004134A1 (en) * | 1993-08-02 | 1995-02-09 | Genencor International, Inc. | Method of reducing complex carbohydrates in fermentation products |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2002038786A1 (en) * | 2000-11-10 | 2002-05-16 | Novozymes A/S | Ethanol process |
US20040115779A1 (en) * | 2002-03-19 | 2004-06-17 | Olsen Hans Sejr | Fermentation process |
EP1359224A1 (de) * | 2002-05-01 | 2003-11-05 | Ato B.V. | Verfahren zur Herstellung von mehrfach ungesättigten Fettsäuren durch marine Mikroorganismen |
US9055752B2 (en) | 2008-11-06 | 2015-06-16 | Intercontinental Great Brands Llc | Shelf-stable concentrated dairy liquids and methods of forming thereof |
UA112972C2 (uk) | 2010-09-08 | 2016-11-25 | Інтерконтінентал Грейт Брендс ЛЛС | Рідкий молочний концентрат з високим вмістом сухих речовин |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1806986A1 (de) * | 1967-11-06 | 1969-07-10 | Pfizer & Co C | Verfahren zur Reinigung und Konzentrierung bestimmter Enzyme |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1401474A (fr) * | 1963-05-03 | 1965-06-04 | Pfizer & Co C | Enzyme protéolytique, et procédés pour sa préparation et pour son utilisation |
US3423288A (en) * | 1964-06-17 | 1969-01-21 | Pillsbury Co | Process for preparing gentiobiose |
-
1988
- 1988-02-18 FR FR8801934A patent/FR2627507B1/fr not_active Expired - Fee Related
-
1989
- 1989-02-17 JP JP1039165A patent/JP2848620B2/ja not_active Expired - Fee Related
- 1989-02-17 DK DK076189A patent/DK76189A/da not_active Application Discontinuation
- 1989-02-17 AT AT89400441T patent/ATE106447T1/de not_active IP Right Cessation
- 1989-02-17 EP EP89400441A patent/EP0329559B1/de not_active Expired - Lifetime
- 1989-02-17 DE DE68915568T patent/DE68915568T2/de not_active Expired - Fee Related
- 1989-02-17 US US07/311,776 patent/US5187081A/en not_active Expired - Fee Related
- 1989-02-17 CA CA000591426A patent/CA1336175C/en not_active Expired - Lifetime
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1806986A1 (de) * | 1967-11-06 | 1969-07-10 | Pfizer & Co C | Verfahren zur Reinigung und Konzentrierung bestimmter Enzyme |
Non-Patent Citations (3)
Title |
---|
CEREAL CHEMISTRY, vol. 63, no. 2, 1986, pages 124-130, American Association of Cereal Chemists, Inc., St Paul, MN, US; K.M. CHUNG ET AL: "Brewers' condensed solubles. III. Enzymatic hydrolysis, viscosity reduction, and fermentation" * |
EUROPEAN BREWERY CONVENTION - PROCEEDINGS OF THE 20 TH CONGRESS, Helsinki, 1985, pages 419-425, IRL Press, Oxford, GB; J. OKSANEN et al.: "Microbial cellulase for improving filtrability of wort and beer" * |
P. DUPUY: "Utilisation des enzymes en technologie alimentaire", "Use of enzymes in food technology", Symposium International, Versailles, 5-7 mai 1982, pages 457-462, Lavoisier, Paris, FR; J.-C. VILLETTAZ et al.: "L'emploi des beta glucanese en oenologie" * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1995004134A1 (en) * | 1993-08-02 | 1995-02-09 | Genencor International, Inc. | Method of reducing complex carbohydrates in fermentation products |
Also Published As
Publication number | Publication date |
---|---|
US5187081A (en) | 1993-02-16 |
JP2848620B2 (ja) | 1999-01-20 |
DE68915568D1 (de) | 1994-07-07 |
JPH01247086A (ja) | 1989-10-02 |
DK76189D0 (da) | 1989-02-17 |
EP0329559B1 (de) | 1994-06-01 |
DK76189A (da) | 1989-08-19 |
FR2627507B1 (fr) | 1991-06-21 |
CA1336175C (en) | 1995-07-04 |
ATE106447T1 (de) | 1994-06-15 |
FR2627507A1 (fr) | 1989-08-25 |
DE68915568T2 (de) | 1995-01-12 |
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